Biological Activity(D)-PPA 1 is a PD-1/PD-L1 interaction inhibitor. Binds to PD-L1 (Kd = 0.51 μM). Inhibits interaction at 1 mg/mL in flow cytometry. Inhibits tumor growth and prolongs survival time of mice in vivo.
(Modifications: Asn-1 = D-Asn, Tyr-2 = D-Tyr, Ser-3 = D-Ser, Lys-4 = D-Lys, Pro-5 = D-Pro, Thr-6 = D-Thr, Asp-7 = D-Asp, Arg-8 = D-Arg, Gln-9 = D-Gln, Tyr-10 = D-Tyr, His-11 = D-His, Phe-12 = D-Phe)
The technical data provided above is for guidance only.
For batch specific data refer to the Certificate of Analysis.
Tocris products are intended for laboratory research use only, unless stated otherwise.
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Blocking of the PD-1/PD-L1 interaction by a D-peptide antagonist for cancer immunotherapy.
Chang et al.
Angew Chem.Int.Ed.Engl., 2015;54:11760
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